Abdullah has a pending change that disables searches if there's no
secondary indexes [1].
Auto-generated ID could be another case for which we can disable searches
as well.

Best,
Yingyi

[1] https://asterix-gerrit.ics.uci.edu/#/c/1711/


On Mon, May 8, 2017 at 4:30 AM, Wail Alkowaileet <[email protected]> wrote:

> Hi Devs,
>
> I'm noticing a behavior during the ingestion is that it's getting slower by
> time. I know that is an expected behavior in LSM-indexes. But what I'm
> seeing is that I can notice the drop in ingestion rate roughly after having
> 10 components (around ~13 GB). That's what I'm not sure if it's expected?
>
> I tried multiple setups (increasing Memory component size +
> max-mergable-component-size). All of which delayed the problem but not
> solved it. The only part I've never changed is the bloom-filter
> false-positive rate (1%). Which I want to investigate next.
>
> So..
> What I want to suggest is that when the primary key is auto-generated, why
> AsterixDB looks for duplicates? it seems a wasteful operation to me. Also,
> can we give the user the ability to tell the index that all keys are unique
> ? I know I should not trust the user .. but in certain cases, probably the
> user is certain that the key is unique. Or a more elegant solution can
> shine in the end :-)
>
> --
>
> *Regards,*
> Wail Alkowaileet
>

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